Finding the Fourth Proportional to 9,386.30, 12,952.58 and 5,352.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,386.30 : 12,952.58 = 5,352.53 : x
2. Step 2: Convert to fraction form
   9,386.30/12,952.58 = 5,352.53/x
3. Step 3: Cross multiply
   9,386.30x = 12,952.58 × 5,352.53
4. Step 4: Simplify right side
   9,386.30x = 69,329,030.07
5. Step 5: Solve for x
   x = 69,329,030.07/9,386.30
6. Step 6: Final answer
   x = 7,386.20